The sky is blue and the sea is blue, and the waves are turbulent; the naval officers are not afraid of hardship, and the red flag is flying Chinese blue. It restores every bit of learning, training, life, and combat of naval officers and soldiers, and records the arduous process of growing up as a naval special force, sniper versus sniper, perseverance versus torture, the intertwining of blood and fire, forging the iron-blooded loyalty...
